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Holly Madison

Steve Granitz/WireImage

Just keep bumpin', just keep bumpin'...

Pregnant Holly Madison channeled the star of Disney-Pixar's Finding Dory at the new animated movie's Los Angeles premiere Tuesday.

The 36-year-old Playboy model and reality star-turned-author showcased her baby bump in a fitted maternity tee dress whose color matches that of the blue tang fish heroine herself. She paired the look with nude pumps.

Madison was joined at the blue carpet premiere by husband Pasquale Rotella, 41, and their daughter Rainbow Aurora, 3. Their little girl was also dressed for the occasion, sporting a cute white and aqua floral dress, paired with silver flats.

Finding Dory, GIF

Disney-Pixar

Holly Madison, Family

VALERIE MACON/AFP/Getty Images

Madison, who is due to give birth later this summer, had worn the same dress last month in New York while promoting her new book The Vegas Diaries: Romance, Rolling the Dice, and the Road to Reinvention.

She revealed her pregnancy in January and announced in March she and Rotella are expecting a baby boy.

In her E! baby blog, Madison revealed how her pregnancy diet has been vastly different this time around.

"So, as you can see, despite having the same motivation and the same knowledge of nutrition as I did during my first pregnancy, I just can't stomach the same diet, for whatever reason," she wrote. "Is it hormones? The baby's gender? I may never know, I'm just taking each day to try and eat healthier."